package com.scau.ums.controller;

import com.scau.ums.model.Info;
import com.scau.ums.service.imp.info.AllUserSendInfoImp;
import com.scau.ums.service.imp.info.DefaultSendInfoImp;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.PrintWriter;
import java.util.List;

@Controller
public class sendInfoController {

    @Autowired
    private DefaultSendInfoImp defaultSendInfoImp;

    private static final long serialVersionUID = 1L;

    // 上传文件存储目录
    private static final String UPLOAD_DIRECTORY = "upload";

    // 上传配置
    private static final int MEMORY_THRESHOLD   = 1024 * 1024 * 3;  // 3MB
    private static final int MAX_FILE_SIZE      = 1024 * 1024 * 40; // 40MB
    private static final int MAX_REQUEST_SIZE   = 1024 * 1024 * 50; // 50MB


    @Autowired
    private AllUserSendInfoImp allUserSendInfoImp;
    @RequestMapping(value = "/sendInfo", method = RequestMethod.GET)
    public String toSendInfo() {
        return "sendInfo";
    }

//    @RequestMapping(value="/UploadServlet",method = RequestMethod.POST)
//    public String UploadServlet(HttpServletRequest request, HttpServletResponse response){
//        // 检测是否为多媒体上传
////        if (!ServletFileUpload.isMultipartContent(request)) {
////            // 如果不是则停止
////            PrintWriter writer = response.getWriter();
////            writer.println("Error: 表单必须包含 enctype=multipart/form-data");
////            writer.flush();
////            return;
////        }
//
//        // 配置上传参数
//        DiskFileItemFactory factory = new DiskFileItemFactory();
//        // 设置内存临界值 - 超过后将产生临时文件并存储于临时目录中
//        factory.setSizeThreshold(MEMORY_THRESHOLD);
//        // 设置临时存储目录
//        factory.setRepository(new File(System.getProperty("java.io.tmpdir")));
//
//        ServletFileUpload upload = new ServletFileUpload(factory);
//
//        // 设置最大文件上传值
//        upload.setFileSizeMax(MAX_FILE_SIZE);
//
//        // 设置最大请求值 (包含文件和表单数据)
//        upload.setSizeMax(MAX_REQUEST_SIZE);
//
//        // 中文处理
//        upload.setHeaderEncoding("UTF-8");
//
//        // 构造临时路径来存储上传的文件
//        // 这个路径相对当前应用的目录
//        String uploadPath = request.getServletContext().getRealPath("/") + UPLOAD_DIRECTORY;
//
//
//        // 如果目录不存在则创建
//        File uploadDir = new File(uploadPath);
//        if (!uploadDir.exists()) {
//            uploadDir.mkdir();
//        }
//
//        try {
//            // 解析请求的内容提取文件数据
//            @SuppressWarnings("unchecked")
//            List<FileItem> formItems = upload.parseRequest(request);
//
//            if (formItems != null && formItems.size() > 0) {
//                // 迭代表单数据
//                for (FileItem item : formItems) {
//                    // 处理不在表单中的字段
//                    if (!item.isFormField()) {
//                        String fileName = new File(item.getName()).getName();
//                        String filePath = uploadPath + File.separator + fileName;
//                        File storeFile = new File(filePath);
//                        // 在控制台输出文件的上传路径
//                        System.out.println(filePath);
//                        // 保存文件到硬盘
//                        item.write(storeFile);
//                        request.setAttribute("message",
//                                "文件上传成功!");
//                    }
//                }
//            }
//        } catch (Exception ex) {
//            request.setAttribute("message",
//                    "错误信息: " + ex.getMessage());
//        }
//        System.out.println("上传成功");
//        return "redirect:/8.jsp";
//    }


    @RequestMapping(value = "/sendInfoToOneUser")
    @ResponseBody
    public Info sendInfoToOneUser(HttpServletRequest request){
        String receiverId=request.getParameter("receiverId");
        String receiverType=request.getParameter("receiverType");
        String InfoTitle=request.getParameter("noticeTitle");
        String InfoContent=request.getParameter("noticeContent");
        String sendId=(String)request.getSession().getAttribute("USER_ID");
        Info info=defaultSendInfoImp.createInfo(InfoTitle,sendId,receiverId,receiverType,InfoContent);
        defaultSendInfoImp.sendInfo(info);
        return info;
    }


    @RequestMapping(value = "/sendInfoToAll")
    @ResponseBody
    public String sendInfoToAll(HttpServletRequest request){
        String toAllInfoTitle=request.getParameter("toAllInfoTitle");
        String toAllInfoContent=request.getParameter("toAllInfoContent");
        String sendId=(String)request.getSession().getAttribute("USER_ID");
        List<Info> infoList=allUserSendInfoImp.createInfoList(toAllInfoTitle,sendId,toAllInfoContent);
        allUserSendInfoImp.sendInfos(infoList);
        return "true";
    }



}
